Home / 15,651.52-23,477.38-3,964.78

Finding the Fourth Proportional to 15,651.52, 23,477.38 and 3,964.78

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Solution

The fourth proportional to 15,651.52, 23,477.38 and 3,964.78 is: 5,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.52 : 23,477.38 = 3,964.78 : x
  2. Step 2: Convert to fraction form
    15,651.52/23,477.38 = 3,964.78/x
  3. Step 3: Cross multiply
    15,651.52x = 23,477.38 × 3,964.78
  4. Step 4: Simplify right side
    15,651.52x = 93,082,646.68
  5. Step 5: Solve for x
    x = 93,082,646.68/15,651.52
  6. Step 6: Final answer
    x = 5,947.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.